Bug#838503: debian-installer: mdadm should not start syncing RAID1 arrays at full speed during installation
On Fri, Dec 07, 2018 at 10:11:02AM -0500, Lennart Sorensen wrote:
>On Fri, Dec 07, 2018 at 12:22:38AM +0000, Steve McIntyre wrote:
>> I've no idea why he things this is a regression. But this is something
>> we should probably change anyway - installing on RAID is pointlessly
>> slow here unless you know how to work around it. And it's been that
>> way since ~forever.
>
>For some reason I thought the limit used to be lower many years ago,
>but I can't find any evidence of that. Certainly the 200000 max is a
>default in the kernel since before it moved to git. Perhaps the kernel
>changed at some point and is more aggresive in going to the max than it
>used to be?
>
>But yes, I also think having the limit lower in the installer makes sense.
>You are not protecting anything valuable yet at that point and would
>like to get your system ready to use as soon as possible.
Eaxctly. I'm testing a change right now which would drop the resync speed
to the minimum the system will allow.
--
Steve McIntyre, Cambridge, UK. steve@einval.com
< sladen> I actually stayed in a hotel and arrived to find a post-it
note stuck to the mini-bar saying "Paul: This fridge and
fittings are the correct way around and do not need altering"
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